Construction of 5 class room Building in Government Higher Secondary School at Manayeripatti in Thanjavur district

Amount

Earth work excavation for foundation in all soils and sub-soils and to full depth as may be directed except in rock requiring blasting inclusive of shoring shuttering, bailing out water wherever necessary and depositing the surplus earth within the compound in places shown by the departmental officers with an initial lead of 10 mts and initial lift of 2 mts. and clearing and levelling the site, etc., complete complying with standard specification.

Supplying and filling in basement with crushed stone sand gravel mix in the ratio of 1:1with 0.685 Cu.m of crushed stone sandand 0.667 Cu.m gravel in layers of not more than 15cm thick, well rammed, watered and consolidated etc., complete complying with standard specification.

Supplying and filling in foundation, basement, etc with Gravel in layers of not more than 15 cm thick well watered, rammed and consolidated etc. complete complying with standard specification and as directed by the departmental officers.

Supplying and filling in foundation, basement, etc with filling crushed stone sand in layers of not more than 15 cm thick well watered, rammed and consolidated etc. complete complying with standard specification and as directed by the departmental officers.

Cement Concrete 1:5:10 (One Cement, Five sand and Ten hard broken stone jelly) using 40 mm gauge hard broken granite stone jelly for foundation including dewatering wherever necessary and laid in layers of not more than 15 cm thick well rammed, consolidated and curing etc. complete complying with standard specification

Brick work In Cemnet Mortar 1:5( one Cement and Five Crushed stone .Sand) using best quality of country bricks of size 8-3/4" x 4-1/4" x 2-1/4" for foundation and basement including curing, etc., complete complying with standard specifiction.

For Foundation & Basement

Brick work In Cemnet Mortar 1:6( one Cement and Six Crushed stone Sand) using best quality of country bricks of size 8-3/4" x 4-1/4" x 2-1/4" for foundation and basement including curing, etc., complete complying with standard specifiction.

For Superstructure in Ground Floor

For Superstructure in First Floor

For Superstructure in Second Floor

Damp proof course with Cement Mortar 1:4 (One Cement and Four Crushed stone sand) 12mm thick mixed with best approved quality water proofing compound conforming to Indian Standard specification as specified by the departmental officers at 2% by weight of cement used and finishing, curing etc. complete complying with standard specification.

Supplying and erecting steel centering including necessary supports for plane surfaces for Reinforced Cement Concrete works such as column footings, column pedestals, plinth beams, grade beams, staircase steps, etc. which require only nominal strutting using mild steel sheets of size 90cm x 60cm and 10 BG stiffened with welded mild steel angles of size 25mm x 25mm x 3 mm for boarding, laid over silver oak joists of size 10cm x 6.5cm spaced at about 75cm centre to centre or at suitable intervals etc. complete in all floors complying with standard specifcation.

Supplying and erecting centering for sides and soffits including necessary supports and strutting upto 3.29 M height for plane surfaces as detailed below in all floors with all cross bracings using Mild Steel sheets of size 90 x 60 cm and 10 BG stiffened with welded Mild Steel angle of size 25mm x 25mm x 3 mm for boarding laid over silver oak joists of size 10cm x 6.50 cm spaced at abote 90 cm centre to centre and supported by casurina props of 10cm to 13 cm dia spaced at not more than 75 cm centre to centre etc. complete complying with the standard specificaiton. (Payment for centering shall be given after the concrete is laid)

For plane surfaces such as RCC floor slab, roof slab, beams, lintels, bed blocks, landing slab, waist slab, portico slabs and beams, etc.

For plane surfaces such as rectangular or square RCC columns, sunshades, top and bottom slab of RCC boxing, etc.

Providing and laying in position, Standarised concrete Mix M-20 grade in accordance with IS:456 - 2000, using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum water cement content of 325kg/m3 and maximum water cement ratio of 0.55, including admixture (Plasticiser/Super plasticiser) fosroc (or)equivalent in recommended proportions as per IS 9103to accelerate, retard setting of concrete, improve workability without impairing strength and durability with about (5.0 cum) 7730kg of 20mm machine curshed stone jelly and with about (3.3cum) 5156 of 10 - 12mm machine curshed stone jelly and with about (4,79 cu.m) 7670kg of sand but excluding cost of reinforcement grill and fabricating charges, centering and shuttering and also including laying, vibrating with mechanica vibrators, finishing curing etc,

For Foundation and Basement

For Superstructure in Ground Floor

For Superstructure in First Floor

For Superstructure in Second Floor

Supplying, fabricating and placing in position Mild Steel / Ribbed Tor Steel grills for all RCC works as per design given including cost of steel and G.I. binding wire in all floors etc. complete complying with standard specification. (Contractor has to make his own arrangements for the supply of steel and binding wire)

Cement Concrete 1:5:10 (One cement, Five Crushed stone sand and Ten hard broken stone) using 40 mm gauge hard broken jelly for flooring including laying, consolidating, finishing, rendering the top surface rough to receive the floor, curing, etc. complete complying with standard specification

Brick partition walls of 10.80cm thickness using best quality country bricks of size 8-3/4" x 4-1/4" x 2-1/4" in Cement Mortar 1:3 (One Cement and Three crushed stone Sand) using hoop iron reinforcement if found necessary including curing etc. complete and as directed by the departmental officers. (Hoop iron reinforcement will be measured and paid for separately)

10.80 cm thick For superstructure in Ground Floor

10.80 cm thick For superstructure in First Floor

Plain Cement Concrete 1:2:4 (one cement, two crushed stone sand and four hard broken stone jelly) using 10-12mm jelly for wearing coat including laying, compacting, finishing and curing, etc., complete as per standard specificatins and as directed by the departmental officers.

Ground floor

First floor

Second floor

Paving the Top of roof with Solar refelective ceramic tiles of size 305 x 305 x 7mm thick of approved quality and colour laid in Cement mortar 1:3 (One cement and three crushed stone sand) 12mm thick and pointed with tile grout (Nitotile Grout or equivalent) and cement in the ratio of 1:3 for joint, curing etc., complete

Paving the floor with best approved quality fine polished Kota stone slabs of size 600 x 600 of 18 / 20mm with machine cut edges and matching marble slab not less than 100mm width other than Adanga Marbles as border laid over a cement mortar bed of 20mm thick using cement mortar 1:3 (One cement and three sand) fixing the slabs in true right angles with minimum possible width of joints and pointing the joints with white cement mixed with mathcing colouring pigments and polishing with floor polisher to a high degree of finish etc.,

Paving the floor with pre-polished concrete anti-skid step tiles (Required shape and design) of 20mm thick of approved quality and colour laid in Cement Mortar 1:3 (One Cement and Three sand) 20mm thick and pointed with white cement mixed with colouring pigment at the rate of 0.40 Kg. / sq.m., curing, etc., complete

Providing granolithic floor finish of the following thickness with plain cement concrete 1:2:4 (One Cement, Two sand and Four aggregate) using 10 to 12mm gauge hard broken stone jelly including laying, finishing and the top rubbed smooth with power trawl, thread lining, curing etc. complete

25mm thick

Supplying and fixing fine polished cuddapah slab of 20/30mm thickness for cup-board arrangements including laying to correct alignment with necessary cement mortar and black powder etc, complete

Supplying and fixing in position best approved of BIS quality PVC rain water down fall pipes having a pressure of 4 kg. / sq.cm including cost of necessry PVC shoe, PVC bend, cast iron gratings of required diameter and special clamps, brass screws, nails, etc., and fixing of cast iron gratings at junction of parapet and the RCC roof slab including finishing neatly etc., complete. The rate shall be inclusive of cast of removable cast iron grating. The PVC pipe shall be fixed in wall with special type of "U" clamp at the centre of the pipe line in addition to those for more than 3.0 metre pipe length, etc., complete complying with standard specification.

Supplying and fixing in position steel balustrades using 20mm square rods spaced at 150mm centre to centre so that the two balustrades in each step shall be placed centrally and the top of balustrades connected with the hand rails (cost of hand rail shall be measured and paid separately) by means of MS flats of size 40mm x 6mm in the groove 40mm x 6mm provided at the bottom of hand rail; the bottom of balustrades shall be fixed on to the top of step concrete. An additional MS flat of size 50mm x 6mm shall be provided at the centre of balustrades connecting all square rods to the entire length including cost of square rods, flat and applying one coat of red oxide primer to the iron surfaces, etc., complete complying with standard specification and as directed by the departmental officers.

Supplying and fixing 40mm dia GI pipe for staircase hand rail including labour charges for cutting, welding and fixing with MS flats (excluding cost of flat), etc., as directed by the departmental officers

Manufacturing, supplying and fixing of STEEL DOORS (Double Leaf) with following specification. MS Angle of size 40 x 40 x 6 mm at 3.5 Kg/m used for outer frame and MS Angle of size 35 x 35 x 5 mm at 2.6 Kg/m for the shutter frame. Stiffeners with 32 x 6 mm at 1.5 Kg/m MS Flat is provided as the lock rail of the door and welded intact on both ends to the shutter frame. 18 GCR Sheets of best qulaity is laid as panel in the shutter frames. 18 x 5 mm at 0.70 Kg/m MS Flat is welded over the 32 x 6 mm at 1.50 Kg/m MS Flat on the rear side of the door, Crushed stone sand witching teh CR Sheet for rigidity. Additional stiffeners with 18 x 5 mm at 0.7 Kg/m MS Flats are provided diagonally on the rear side of the shutter. A tie bar is provided at the bottom of the outer frame to prevent twisting of the frame during transportation and fixing. All members are given one coat of red oxide primer as directed by the departmental officers. The rate includes cost of all materials, labour charges, transportation, taxes and all other incidental charges, etc., complete.

Manufacturing, supplying and fixing of STEEL DOORS (Single Leaf) with following specification. MS Angle of size 40 x 40 x 6 mm at 3.5 Kg/m used for outer frame and MS Angle of size 35 x 35 x 5 mm at 2.6 Kg/m for the shutter frame. Stiffeners with 32 x 6 mm at 1.5 Kg/m MS Flat is provided as the lock rail of the door and welded intact on both ends to the shutter frame. 18 GCR Sheets of best qulaity is laid as panel in the shutter frames. 18 x 5 mm at 0.70 Kg/m MS Flat is welded over the 32 x 6 mm at 1.50 Kg/m MS Flat on the rear side of the door, Crushed stone sand witching teh CR Sheet for rigidity. Additional stiffeners with 18 x 5 mm at 0.7 Kg/m MS Flats are provided diagonally on the rear side of the shutter. A tie bar is provided at the bottom of the outer frame to prevent twisting of the frame during transportation and fixing. All members are given one coat of red oxide primer as directed by the departmental officers.

Manufacturing, supplying and fixing in position of STEEL SHEETED WINDOWS (THREE LEAVES) with the following specifications. Outer frames of Windows made of 'Z' Section F7D of size 33 x 25 x 3 mm at 1.419 Kg/m and mullion 'O' Section (F4B) of size 46 x 25 x 3 mm at 2.28 Kg/m and shutter section of made of F7D of 33 x 25 x 3 mm at 1.419 Kg/m as specified in IS 7452/1990. Each openable shutter should not exceed a width of 600 mm to enable separate operations and easy maintenance. The panel of the shutter to be covered with 18 Gauge cold rolled sheet of superior quality and welded intact withshutter frames. Four Nos. of hold fasts of 10 mm length spllced at the ends are welded to the outer frame of the window by using MS Flat of 18 x 5 mm at 0.70 Kg/m, welded to the shutter at two place equivalent from each other from top and bottom of the shutter. The cost includes cost of all materials, labour charges and other incidental charges, etc., complete.

Fabricating, supplying and fixing of steel Emergency exitdoor cum, emergency window with the following specification. M.S. angle in size 40x40x6mm are used for the outer frames and M.S. angle of sie 35x35x5mm for the shutter frame, stiffners with 32x6mm M.S. flats provided at required intervals in the shutter frames 18 guage CR sheet is laid as panel and welded instant for 1/3 bottom portion of the shutter, M.S. flat 18x5mm is welded over the 32x6mm M.S flat sandwitching the CR sheet in between additional stiffner with 18x5mm M.S. flat is provided diagonally at the rear-side of the shutter. The balance 2/3 portion at top is provided with grill at an average weight of 15kg/m2 and the top portion of operation emergency window is to be made of 25x25x3mm M.S. angle welded intact with CR sheet and 25x3mm M.S. flat at diagonally at the near side of the window at required interwals 6 Nos. of hinges to be provided,6 Nos of holdfast 100mm in length made of angle section spliced at the ends are welded to the outer frame of the door. Tower bolts 2 Nos. one at top and the other at the bottom are to be provided one aldrop is provided at an appropriate place in the door 2 Nos. of 'D' type handle for emergency window and 2 Nos of handle for door is to be provided at appropriate places. A tie bar is provided at the bottom of the outer frame to prevent twisting of frame during transportation of fixing. All members are given one coat of red oxide primer as directed by the departmental officers. The rate includes cost of materials, labour transportation to side of works, loading, unloading and all other incidental charges etc., complete.

Supplying and fixing M.S.Grill for opening corridor side ladder, Entrance Gate and Name board angles 'etc., using necessary M.S. flats for inner member and outer members which should be fixed as directed by the departmental officers inclusive cost of providing one coat of best quality red oxide primer.

Plastering with Cement Mortar 1:5 (One cement and Five sand), 12mm thick mixed with Bonding agent Cebex112, Zydex -Zycrete 2X or other Equalent compound conforming to BIS at 200ml of One cement bag (50kg) for increased workability and air entrainment used finishing in all floors including curing etc. complete

Supplying and Painting the wall with two coats of WALL PUTTY as instructed by departmental officers including preparation of surface curing etc.complete in all floors complying with standard specification. (The wall putty shall be got approvedby the Executive Engineerbefore use on works)

Special ceiling plastering and finishing the exposed surface of all RCC items of work such as slabs, beams, sunshades, facia, canopy slab, staircase waist slab, landing slab etc., with Cement Mortar 1:3 (One Cement and Three Sand) 10mm thick mixed with Bonding agent Cebex112, Zydex -Zycrete 2X or other Equalent compound conforming to BIS at 200ml of One cement bag (50kg) for increased workability and air entrainment used finishing including hacking the surfaces, providing cement mortar nosing, beading for sunshades, staircases, steps, landing slabs and curing, etc., in all floors

Supplying and painting the walls with two coats of oil bound distemper over one coat of water based cement primer including cost for distemper, primer, cleaning and scrapping the walls, rendering the walls smooth with necessary putty, brushes, scaffolding arrangements, labour charges, etc.,

Painting the wall two coats with approved weather proof Exterior Emulsion paint over one primer coat of over cement plastered wall surface ect., complete complying with standard specification.

Painting new iron works such as steel doors, windows, ventilators, window bars, balustrades etc., with two coats of best approved first quality and colour of synthetic enamel paint over the red oxide priming coat in all floors including cost of priming coat etc., complete

Providing black board in two layers with first layer in Cement Mortar 1:5, 20 mm thick and second layer in combination mortar 1:1:6, 20mm thick and providing bond alround the black board in cement mortar 1:5, 20mm thick and 50mm width including cost on one coat o black oxide of approved quality, etc., complete

Supplying and fixing colour galvalume sheet roof of 0.47mm thickand steel tubular box section of 100x50x3mm of 1meter interval including priming coat fixing in position with all necessary accessories complete

ADD GST @18%

Punniyamoorthy